UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ai9eIn88/X81AMXoLx2XOcPTjD7UOpqAMmC9uLHZpSE=' 
WHERE 
  key_id = '37c1f18fc0480ae73a19c2e80d20c36287e6633cf542b9fc7e27de454e390ef0' 
  AND (
    token = 'ai9eIn88/X81AMXoLx2XOcPTjD7UOpqAMmC9uLHZpSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )