UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mmGHBM4dEWgVwMKZ3yxKnk6shYzew7qFtVUACSNG6lE=' 
WHERE 
  key_id = '1877b9ac34c70f554838589953d9bf46226b1f0a38b4a33a156a968eb2730810' 
  AND (
    token = 'mmGHBM4dEWgVwMKZ3yxKnk6shYzew7qFtVUACSNG6lE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )