;elok_p_crm_i01="2017-12-23 19:36:38"+"2017-12-24 01:36:38"
elok_p_crm_i02="2013-01-23 11:36:38"+"2017-02-24 01:36:38"
elok_p_crm_i03="2012-12-23 23:36:38"+"2017-01-24 01:36:38"

pattern = r"([w-]+)=(["][d-]+s[d:]+["])+(["][d-]+s[d:]+["])"

r'(?<!^;)b([w-]+)=(["][d-]+s[d:]+["])+(["][d-]+s[d:]+["])'
  ^^^^^^^^^

pattern = re.compile(r"^(?<![;])([w_]+)=(["][d-]+s[d:]+["])+(["][d-]+s[d:]+["])$", re.M)

text = ''';elok_p_crm_i01="2017-12-23 19:36:38"+"2017-12-24 01:36:38"
elok_p_crm_i02="2013-01-23 11:36:38"+"2017-02-24 01:36:38"
elok_p_crm_i03="2012-12-23 23:36:38"+"2017-01-24 01:36:38"'''

pattern.findall(text)

[('elok_p_crm_i02', '"2013-01-23 11:36:38"', '"2017-02-24 01:36:38"'), ('elok_p_crm_i03', '"2012-12-23 23:36:38"', '"2017-01-24 01:36:38"')]