UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '98MYQP70ItL5V2L4bluqN7/UOHBTbyRFvXTWok5ygss=' 
WHERE 
  key_id = '4b9c98dbbd14059690a9cfbcb8403bd568c28b56b15735cdd3f1ab2289ab4df3' 
  AND (
    token = '98MYQP70ItL5V2L4bluqN7/UOHBTbyRFvXTWok5ygss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020