INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '299190737db0682bd30568a6a2b0a953335a9c98f6c58fdc0f522fdceab5052c', 
    'x2J3PbcOabqfaP5CyrDNUUwlyiLBT/2zVhhj6/0i2nw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)