UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CmWXSrFmp2wZz9S0lL3tjcIUdpBmMPxHy1577madX/Q=' 
WHERE 
  key_id = '551c659a878208080e52d5aefb0a0839e68a45abe9662ddc22e1345b03066122' 
  AND (
    token = 'CmWXSrFmp2wZz9S0lL3tjcIUdpBmMPxHy1577madX/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )