UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxPmwhO2zKB3VmubUbY05jnZ2mFIbFqleLU/ZgRUTmE=' 
WHERE 
  key_id = '94a37c1b84c17989a26509ac7c0c18fb72a72fe336966828463669fcfd93863b' 
  AND (
    token = 'MxPmwhO2zKB3VmubUbY05jnZ2mFIbFqleLU/ZgRUTmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )