UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '15hASNvQeT9qlwXj1qjRhqjYTvggkq1d4KZH+nP0bBw=' 
WHERE 
  key_id = '51a8054f28dd8ee98a63ebfd720450006c2153250167f2e5ede8dca1e17dd282' 
  AND (
    token = '15hASNvQeT9qlwXj1qjRhqjYTvggkq1d4KZH+nP0bBw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )