UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AiEHw85ij0V6C85bcykr4G+TMIc79xyi6HCWCZjaecw=' 
WHERE 
  key_id = '5518d56e66cc7743cd1a8abdaf19701ce526e31e0320259633cde76f56c612fd' 
  AND (
    token = 'AiEHw85ij0V6C85bcykr4G+TMIc79xyi6HCWCZjaecw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )