UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uhq59cw4VVkfYuBjGpFykLAuDLG30HyEmR1wGR2PHaY=' 
WHERE 
  key_id = 'a2c4167a3dcce7a096949e5e9b864f340c5313260a6e93ddc0cfe79092f66515' 
  AND (
    token = 'uhq59cw4VVkfYuBjGpFykLAuDLG30HyEmR1wGR2PHaY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )