UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znQDqjwXtjpjGhWsD01LLnPgCu1CrrkQkngfEWMyOOM=' 
WHERE 
  key_id = '9fdd6a48e92adcf5928416a7ec21028fdd07a745e1c54894a7c681a1b9aa2b59' 
  AND (
    token = 'znQDqjwXtjpjGhWsD01LLnPgCu1CrrkQkngfEWMyOOM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )