UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kK9C5f1tKZtcJcJTSAPBWK/HMt5SOfBsC6BVeVOhZzE=' 
WHERE 
  key_id = 'b0fb75916fc5166f1c4fe438e01878be62bc8ae1eb225d152fd1133495addc5d' 
  AND (
    token = 'kK9C5f1tKZtcJcJTSAPBWK/HMt5SOfBsC6BVeVOhZzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026