INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d3ad97f83c2bb6d432f8bb5432cf709b1b1fbb3f66b69afb19e04c73976a0b', 
    'o+mngdEXTiDByCvB+0LK/KhRFIESfL7+In0zefqwrt0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)