UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMcmaGnnRrHaQow3+/liMbnfYOnrjrrPyRyU8eYvz3g=' 
WHERE 
  key_id = '52f38b0b849c49b31cf4df9701626ac5ff2413421dc23de6c3320b583da3b423' 
  AND (
    token = 'RMcmaGnnRrHaQow3+/liMbnfYOnrjrrPyRyU8eYvz3g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )