UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gh1zfA81UXyO5j+IyyBtkgK7X1UQX8XZiqeiN87xbgg=' 
WHERE 
  key_id = '68b0b3156feec163e5be97aef90957c819ca6db883e30373ebafe8304c0a87c8' 
  AND (
    token = 'gh1zfA81UXyO5j+IyyBtkgK7X1UQX8XZiqeiN87xbgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )