UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E4+poBjvuPhESHGbFoD5vMwZZVpFiNT6glNAHGNhs14=' 
WHERE 
  key_id = '21c5fc7dfa30cace55040da77a8771bbd5ac3799262c2d6934713a5069c71e1a' 
  AND (
    token = 'E4+poBjvuPhESHGbFoD5vMwZZVpFiNT6glNAHGNhs14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )