UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QjDVaW2YJrqwIFXfhxsQSttw/QWtu3MYSwi/dpQoGQ0=' 
WHERE 
  key_id = '3e8f8b66c0fba79a2203d3470952e53282fb537f83caa64d6a0eeea197c80f97' 
  AND (
    token = 'QjDVaW2YJrqwIFXfhxsQSttw/QWtu3MYSwi/dpQoGQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023