UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '43d4RJcJN3yNjsWIr8SP4ccn1GyHEzDiv4IkJyn1AWk=' 
WHERE 
  key_id = 'b0ad5a9a3f908901acb13e4649412ec98a704af9c8805b06a6fdd0bfa903b0a6' 
  AND (
    token = '43d4RJcJN3yNjsWIr8SP4ccn1GyHEzDiv4IkJyn1AWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017