UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sc+Js0pclJcR7y8Kx8r6FCALbXifZP68kFPyIn3msXc=' 
WHERE 
  key_id = '6d51b4b7b2097f384f27a059a3047a7e7419e5a2b081b1cd1dcaa283d4724cab' 
  AND (
    token = 'sc+Js0pclJcR7y8Kx8r6FCALbXifZP68kFPyIn3msXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )