UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '9WNp+Q/waFhe0ZEv03SQqpdcxgGdCEMnGFdKGrv4fCo=' 
WHERE 
  key_id = 'c06b4b8e4c1098927fb49625c57eb39029b227abf31c78645a94761cbde3ae04' 
  AND (
    token = '9WNp+Q/waFhe0ZEv03SQqpdcxgGdCEMnGFdKGrv4fCo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )